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Ceramic Capacitors

Murata offers the No. 1 most abundant lineup in the industry, responding to all possible needs, and proposing ideal solutions.
Continuing to evolve as the world's No.1 manufacturer of monolithic ceramic capacitor.

Polymer Aluminum Electrolytic Capacitors

Murata's polymer capacitor has the feature of low ESR, low impedance, and large scale. Furthermore, there is no DC bias characteristic of capacitance, and since temperature characteristics are also stable, it excels in the Rippl absorption, smoothness, and the transient response performance.
Therefore, it is suitable for smoothing of input-output current of various power supply circuits, and the backup use over the load change of the CPU circumference. This contributes to reduction of the number of parts, or reduction of substrate area.

Trimmer Capacitors

The Trimmer capacitor is the parts that its capacitance can be changed freely.
The Trimmer capacitor is used in some applications that generally have no need to adjust again after the initial adjustment.
The trimmer capacitor has an adjustable structure adding to general ceramic capacitor to adjust capacitance.
There are basically three different principles shown in below that can be adjust capacitance.
Generally most of the commercial products are using the first principle.

The actual trimmer capacitor product has a dielectric ceramic between two parallel facing electrodes.
One side of electrode is movable (can be rotated) so that a capacitance can be changed by adjusting the overlap
electrode area between the movable and the fixed electrode.
According to this process, a capacitance value can be changed linearly depending on the rotation angle of a movable electrode.
Murata trimmer capacitor is also using above the Principle 1 and has more than 50% market share in the world.

Supercapacitors (EDLC)

To meet consumer demand for mobile devices with greater efficiency and functionality, Murata began focusing its R&D efforts on supercapacitors (EDLC*) in 2008, at which time we made a strategic decision to license leading-edge supercapacitor technology from CAP-XX Limited , an Australia-based firm. Working from this collaborative basis, Murata has enhanced the design and manufacturer of these high power (low ESR) supercapacitors in a compact, slim package, and we continue our research efforts to develop even better and higher performing products.

*Supercapacitor is also known as "EDLC" in academic parlance. EDLC stands for Electrical Double Layer Capacitor. In addition, supercapacitor is abbreviated as "supercaps." All are different terms for the same kind of capacitor.

Variable Capacitors

Inductors (Coils)

Murata chip inductors feature compact size and high-performance. The unique coil and case structures give them low DC resistance and outstanding high-frequency characteristics.
Murata offers a broad variety of products for different applications.
The diverse lineup offers the customer a choice of the types of inductors and characteristics optimal for the circuit in question.

EMI Suppression Filters

Using Murata's ceramic processing technology and unique material, we offer a variety of Noise Suppression Products and EMI Suppression Filters. Murata also offers technical support and guidance based on many years of experience operating in the field of noise suppression. Our technical support includes design kits, application manuals and a comprehensive set of software tools to simulate virtually any circuit condition.
Noise Suppression Filters EMIFIL® (chip and lead type) , Common Mode Chokes (chip and lead type) , Microwave Absorbers, and Ferrite Cores are offered.

AC Line Filter

Common mode chokes, line bypass capacitors, and across-the-line capacitors are generally used as AC line EMI suppression filters.

Common mode chokes are the most important in suppressing common mode noise. The choice of common mode choke therefore has a great impact on the overall filter performance. Murata provides two types of common mode chokes: standard and high-frequency types. The hybrid choke coil is a high-performance EMI suppression device that can suppress both common mode noise and differential mode noise at the same time. It is effective in AC power supplies with active devices for regulating higher harmonic current, which tends to emit relatively high levels of differential mode noise.

ESD Protection Devices

Ferrite Core

Ferrite cores are used for noise suppression and the prevention of abnormal oscillation in the relatively low frequency range of tens of kHz to hundreds of MHz.

Featuring outstanding material technology, Murata offers a diverse lineup of ferrite cores that come in different shapes for varying applications. The product range includes variants for flat cables as well as plates, beads, rings, and multi-hole cores.

Trimmer Potentiometer

These products are scheduled to be discontinued. Customers who wish to use or considering to use these products in new applications, please contact our sales.

Trimmer potentiometers are fitted with devices that can vary resistance levels. They are used for fine adjustment of characteristics of electronic devices during production. Using its unique ceramic and processing technology, Murata offers a broad range of trimmer potentiometers including products with SMD, carbon, and cermet resistors.

High Voltage Resistors

High-voltage resistors are used for office equipment and home appliances such as printers, copying machines, and air-conditioners.
Offering high resistance and small deviation values, Murata MHR series help achieve precise control at high voltages.

NTC Thermistors

NTC thermistors are elements whose resistance falls with an increase in temperature, and find use in applications such as temperature sensing. Murata NTC thermistors employ elements featuring high precision and good thermal response. The diverse product range not only includes different shapes (SMD chip and lead types), but also covers diverse applications such as inrush current suppression and temperature compensation.

PTC Thermistors (POSISTOR®)

PTC thermistors are elements whose resistance falls with an increase in temperature, and find use in applications such as temperature sensing and current limitation.
Murata POSISTOR® PTC thermistors employ elements featuring good thermal response. The diverse product range not only includes different shapes (SMD chip and lead types), but also covers diverse applications such as overcurrent sensing, overheat sensing, and inrush current suppression.

Barometric Pressure Sensor

Barometric pressure sensor detects the atmospheric pressure. This sensor is used for indoor navigation, elevator/floor change detection and weather monitoring. Our sensor element is designed by capacitive sensing technology, which performs low current consumption, low noise and good stability for temperature change.

Shock Sensors

Based on long unique piezoelectric ceramic technology in-house, Murata shock sensors are developed unique and high performance acceleration sensors used for detecting vibration and impact (mechanical shock).

Magnetic Pattern Recognition Sensors

Rotary Position Sensors

A category of position sensors, rotary position sensors can measure rotational angles from output voltages. The principle: The rotation to be measured is linked to the motion of a slider to cause changes in resistance, which the sensor circuit converts into changes in output voltage. Unlike trimmer potentiometers, rotary position sensors are extremely durable due to their high rotational life characteristics.

Ultrasonic Sensors

Ultrasonic sensors emit ultrasonic waves in the air that reflect off of objects. The reflected sound is then received by the sensor. This technology is used for detection of objects in burglar alarms and automatic doors as well as for range measurement in automotive parking assistance systems.

Accelerometers

Murata is the global market leader in low-g acceleration sensors for automotive applications. The extensive accelerometer product range includes high performance digital and analog accelerometers for both safety critical automotive and industrial applications.
Murata accelerometers are based on the company's proprietary 3D MEMS technology and they offer a number of excellent product features and benefits for the most demanding applications. The sensing element and the measuring ASIC are assembled in a dual-in-line or dual-in-flat-line plastic package with pins for surface mount and re-flow soldering. They are environmentally protected with silicone gel resulting in excellent performance and reliability in a humid environment and at temperature cycling. In addition, the robust sensing element design with over damped frequency response enables excellent performance even in harsh and vibrating environments.
The measuring direction is parallel or perpendicular to the mounting plane. The ASIC includes an on-chip EEPROM memory with the calibration coefficients for unit interchangeability. Murata accelerometers include enhanced failure detection: digitally activated self-test, calibration memory parity or check sum check and continuous connection failure detection. The products are intended for horizontal or vertical measurements.The zero point temperature dependence is less than 1mg/°C.

Industrial gyroscopes offer a performance level that typically has been available only for expensive module products. Sensing elements and the measuring circuitry are assembled into a pre-molded plastic dual-in-line (DIL) package, protected with silicon gel and covered with a stainless steel lid. All products are RoHS compatible and suitable for lead free reflow soldering.

Inclinometers

Murata inclination sensors are an optimum choice for high accuracy leveling and inclination measurement instruments. The highest accuracy is available with SCA103T series that use differential measurement principle to compensate all common mode error and noise effects.

The best shock durability of the MEMS market provides trouble-free measurements in moving machines, vehicles, airplanes, construction machines and hand held devices.

Temperature Sensors

Capable of sensing heat, temperature sensors are widely used to protect equipment and circuits.
NTC thermistors are elements whose resistance falls with an increase temperature, while PTC thermistors display an increase in resistance as temperature rises. Their characteristic temperature-resistance curves allow them to be used as temperature sensors.
NTC thermistors find a wide range of uses since they feature high precision and good thermal response. PTC thermistors are employed in many applications that detect certain temperature levels using extremely simple circuits.
Murata thermistors come in chip and lead types.

Digital Panel Meter / Measurement Devices

Proximity Ambient Light Sensor

Proximity and Ambient light Sensor (ALS) stick a light emitting device and a build-in digital conversion function of IC which unified the photodetector for both proximity and ambient light in one package. So this sensor has both function of the proximity and ambient light detection. The light from emitting device returns from the measuring object. Proximity sensing is to detect far and near distance from sensor to measuring object by the light amount which returns from measuring object. Ambient light sensing is to detect the environmental lighting by the light amount which is detected with the photodetector for ambient light.

Crystal Oscillators

TCXO (Temperature compensated crystal oscillator) is a kind of crystal oscillator. TCXO provide a stable clock signal with temperature compensated circuit and good performance Crystal unit over wide temperature range. TCXO is being used for Business Radio, Small cell, Wireless device commonly.

Piezoelectric Buzzers

Piezoelectric Buzzer is a self drive type piezoelectric sounder with built-in oscillation circuit transistor and resistors. It generates consistent single tone sound just by applying D.C.voltage.
Using a suitably designed resonant system, this type can be used where large sound volumes are needed.

AC-DC Power Supplies

Our AC-DC power supply solutions can be designed to meet almost every conceivable application requirement in terms of power, performance, efficiency, communications, protection, size, approvals compliance, and cooling requirements.

Front Ends for Distributed Power ArchitecturesAC to 12Vdc or 48Vdc ultra compact front end supplies for distributed power architectures with active power factor correction plus industry leading efficiency & densityOpen FrameHigh-efficiency, single output solutions in 1U chassis, 75W to 400WCustom SolutionsCustom product solutions from 100W to 5kW

Please consult our data sheets for products designed in compliance with international safety standards and other regulatory groups.

DC-DC Converters

Our proven ability to blend circuit topologies and high-performance components with contemporary construction techniques has led to our premier position in the industry as the largest supplier of DC-DC converters. From standard models to modified products and complete custom designs, Murata’s DC/DC converters can meet the needs for miniaturization, low profile, high efficiency, power-saving, low noise designs for use in industrial and electronic equipment, telecom, medical, automotive, lighting, and more.

µDC-DC Converters

Murata's micro DC-DC converters are small power modules that utilize a unique ferrite substrate with an embedded power inductor, and incorporate the I/O capacitors onto the same package.
Ultra-compact size and superior noise suppression make these devices ideal for cellular and smart phones and tablets, wearable devices, communication applications, and portable products.

Wireless Power Transmission Modules

Microblower

The greatest highlight of Murata microblower technology is the use of ceramics as the drive source. The structure is designed to function as an air pump using the ultrasonic vibration of ceramics, which can generate high discharge pressures of air from a thin and extremely compact body.

RFID Tag Device (MAGICSTRAP®)

High-Frequency Matching Transformers

Murata’s high-frequency matching transformers use transformer technology for impedance matching in high-frequency circuits. They have been designed to accommodate such high frequencies used in mobile phone communication. Murata’s high-frequency matching transformers enable customers to achieve impedance matching for different frequencies simultaneously, and over a broad range.

Balun

Coupler

Ceramic Filters (CERAFIL®)

Murata’s ceramic filter series (CERAFIL®) offers small and lightweight filters and traps that use the piezoelectric properties of ceramics to treat intermediate frequencies used in AV and communication equipment.

Crystal Filters

Crystal Filter(MCF) is Band pass filter that can take out only a necessary frequency. The crystal high Q factor allow crystal filters to have steep band-pass characteristics. Crystal filters is used for Business Radio commonly.

Cloud Connectivity Platforms

Murata has partnered with Ayla Networks to offer a complete end-to-end platform for building world class Internet-connected products. The Murata Type YD Wi-Fi Connectivity Module comes pre-loaded with the Ayla Embedded Agent, enabling developers to connect to the Ayla Cloud Services and smartphone/tablet applications based on the Ayla Application Libraries.

Wireless Telemetry

Add high-speed wireless connectivity between distant nodes where cable runs are impractical with Murata FHSS Wireless Telemetry products in 900 MHz and 2.4 GHz. Used in a range of indoor, outdoor and harsh environments and varied of applications such as SCADA networking, PLC networking, and other industrial automation or data collection applications.

Saw Based Sub-GHz IC

Unique patented radio architecture features integrated RF ICs with quartz SAW filtering and frequency control components built into a single hybrid that delivers up to 70% power savings over superheterodyne architecture, plus:

LTCC

LTCC (low temperature co-fired ceramics) represents a multilayer ceramic substrate that is co-fired with a low resistance internal circuit made of a metal such as Ag or Cu, at temperatures lower than the melting points of this metal (less than 1,000°C). Sometimes it is referred to as “glass ceramics” because glass is mixed in its main raw material, alumina.

Ionizers

Using unique high-voltage technology and structural design, this ionizer achieves smaller size and higher efficiency than any conventional ionizers. According to a survey conducted by Murata, it also generates the greatest number of ions in the industry. The module comprises an ion generator connected to a drive power supply, allowing easy incorporation inside equipment.
Without changing the amount of ions, the generation of ozone can be controlled to optimum levels for specific applications.

Active Oxygen Module (Ozonizers)

The unique structure that employs an LTCC* board as an ozone generator enables this ozonizer module to generate ozone efficiently in the right quantities. The generator section is among the smallest creeping discharge types in the industry (according to a survey conducted by Murata).

* LTCC (low temperature co-fired ceramics):

Unlike conventional ceramics that is fired at high temperatures above 1,500°C, LTCC is fired at low temperatures below 1,000°C. This makes it possible to use internal wiring made of silver and copper, conductors with low electrical resistance.

Message from the President

Does the work we do impress and astonish our customers?
Do the people we work with find their work challenging and feel personal growth?
These are the questions that we must each ask ourselves, and act upon.

Facts and Figures

Business

Murata contributes to the advancement of society by innovating, designing and supplying components and solutions for a variety of markets and applications, and the markets for Murata’s electronic components continue to grow.

Smartphones currently account for as many as half of the mobile phones sold worldwide. And it is predicted that this will expand to 75% or more in three years. Along with the spread of hybrid cars and electric vehicles, electrification is also progressing in the field of automotive electronics through improved safety features like Electronic Stability Control（ESC). The overall demand for electronic components, including for these applications, is trending toward smaller sizes, higher performance, and higher reliability... At Murata, in addition to the monolithic ceramic capacitors that have been our core product since our foundation, sales of communication modules and the piezoelectric components are growing more and more.

Material Development

“New electronic devices begin with new electronic components; new electronic components begin with new materials...” Based on that concept, by constantly revisiting the sought-after functions, considering things all the way down to the material, and adhering to a posture of “management at the source and development from the source”, Murata has achieved the creation of functional ceramic materials with outstanding characteristics. And the technology that we have cultivated with those ceramic materials is being further advanced through the development of even new materials that produce even new functions.

Process Development

Process development is designing the best manner of manufacture in order to concretely manifest the designed functions, and it plays an important role in the miniaturization, slimming down, and high functionality of electronic components. For example, the smallest monolithic ceramic capacitor in the world （0.25 x 0.125 mm） that we developed was realized using technology that Murata has accumulated for laminating and multi-layering of ceramic sheets in micron units. Our thin ﬁlm and ultra-ﬁne processing technology are also utilized in surface acoustic wave devices and MEMS application sensors.

Product Design

From single-function components to modules and on to total solution proposals, the value that Murata has provided over the years continues to evolve. We are involved in development of the technologies and products that can promptly respond to customer needs with an eye on the future. Furthermore, the high frequency design technology that we accumulated from early on enables rapid product design and is behind the mobile device innovations that are evidenced by the rapid evolution of smartphones and tablets.

Manufacturing Technology

Murata employs in-house production facilities toward producing the optimal environment for monozukuri (manufacturing).. Due to this, we currently possess numerous technologies and know-how in regard to mass-producing products stably and efficiently. Implementing development of that equipment right from the product development stage has also led to stable quality. Such manufacturing technology is what supports the foundation of monozukuri at Murata.

Integrated Production System

If new features are needed, always go back to finding the right materials. This is the starting point of Murata's integrated production system that pioneered the diverse world of electronic components.

Response to the problem of conflict minerals

With the passage of the Dodd-Frank Act in the United States in July 2010, the issue of "conflict minerals" came under close scrutiny worldwide.

Furthermore, since the U.S. Securities and Exchange Commission (SEC) adopted a final rule pursuant to the Dodd-Frank Act in August 2012, we have been asked by many of our customers to provide information on conflict minerals contained in our products.

Murata regards the issue of conflict minerals as a part of its corporate social responsibility (CSR), and we are addressing this issue through the following policies.

CSR Charter

In line with its management philosophy, Murata aims to continue to be a company that is trusted by society, by committing to compliance with laws and regulations, as well as to highly transparent governance, respect for human rights, health and safety, social contribution and environmental preservation, on the basis of high corporate ethics. To these ends, Murata stipulated the CSR Charter, as the norms to be observed by all those working at the Company.

Purchasing Policy

Our Expectations of Suppliers

As Murata operates its businesses globally, not only Murata but also its supply chain partners are required to fulfill their social responsibilities. Therefore, we request our suppliers to comply with the following behaviors.

Supercapacitors (EDLC)

To meet consumer demand for mobile devices with greater efficiency and functionality, Murata began focusing its R&D efforts on supercapacitors (EDLC*) in 2008, at which time we made a strategic decision to license leading-edge supercapacitor technology from CAP-XX Limited , an Australia-based firm. Working from this collaborative basis, Murata has enhanced the design and manufacturer of these high power (low ESR) supercapacitors in a compact, slim package, and we continue our research efforts to develop even better and higher performing products.

*Supercapacitor is also known as "EDLC" in academic parlance. EDLC stands for Electrical Double Layer Capacitor. In addition, supercapacitor is abbreviated as "supercaps." All are different terms for the same kind of capacitor.

Product Lineup

Murata offers two series of supercapacitors (EDLC).

DMF series featuring high power are for general applications .

DMT series design has been optimized for Solid State Drives(SSDs) or applications used at 85°C.

According to your application or usage condition, please select the most suitable product.